Krishanu Chatterjee, MD
Psychiatry Physician · Chicago, IL
Krishanu Chatterjee, MD is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1134706880, issued on Mar 27, 2021. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Krishanu Chatterjee
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 329889 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1740 W Taylor St, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- Mar 27, 2021
- Record last updated
- Jun 26, 2025
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 1740 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Krishanu Chatterjee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average psychiatry physician in 2024
226 Medicare Part D claims for 22 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Risperidone41 claims
- Lamotrigine20 claims
- Donepezil Hcl18 claims
- Fluvoxamine Maleate16 claims
- Quetiapine Fumarate14 claims
- Sertraline Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Krishanu Chatterjee among 2,147 psychiatry physician records in Illinois
Krishanu Chatterjee, MD is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 84% of them.
- NPI issued2021 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
841 psychiatry physician records list a practice address in Chicago
They are 841 of the 63,379 NPPES records with a practice address in Chicago, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Chicago → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Olusola Ajilore, M.D.Chicago, IL 606121740213347
- Sybil Circle, MDChicago, IL 606121861509879
- Rodney EigerChicago, IL 606121982717120
- Peter Fore, M.D.Chicago, IL 606121023125838
- Cheryl Gaines, M.D., M.A.Chicago, IL 606121346358009
- Yakov GertsbergChicago, IL 606121215940598
- Nafisa GhadialiChicago, IL 606121215940416
- Kalman KaplanChicago, IL 606121902819279
Common questions
What is Krishanu Chatterjee, MD's NPI number?
Krishanu Chatterjee, MD's National Provider Identifier (NPI) is 1134706880, issued on Mar 27, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Krishanu Chatterjee, MD located?
The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Krishanu Chatterjee, MD's license?
Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Krishanu Chatterjee, MD prescribe under Medicare Part D?
In 2024, Krishanu Chatterjee, MD had 226 Medicare Part D claims for 22 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.